11111110009975 has 12 divisors (see below), whose sum is σ = 13779143703360. Its totient is φ = 8888005884800.

The previous prime is 11111110009921. The next prime is 11111110010051. The reversal of 11111110009975 is 57990001111111.

It is not a de Polignac number, because 11111110009975 - 2²⁹ = 11110573139063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21796066 + ... + 22300015.

It is an arithmetic number, because the mean of its divisors is an integer number (1148261975280).

Almost surely, 2^{11111110009975} is an apocalyptic number.

11111110009975 is a deficient number, since it is larger than the sum of its proper divisors (2668033693385).

11111110009975 is a wasteful number, since it uses less digits than its factorization.

11111110009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44106170 (or 44106165 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 37.

The spelling of 11111110009975 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, nine thousand, nine hundred seventy-five".